Cummins BM44200 Piston, Internal Combustion Engine

Cummins BM44200 is a piston in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Cummins BM44200 as the maker's own number under government stock item NSN 2815-00-356-1532. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 2815-00-356-1532, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Piston, Internal Combustion Engine

Government stock item (NSN)

2815-00-356-1532

Manufacturer code (CAGE)

15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES

Furnished items

Pin and ring and retaining ring groove

Overall height

6.250 in (nominal)

Diameter

5.000 in (nominal)

Pinhole diameter

2.0000 in (nominal)

Surface finish

Finished

Finished size designation

Standard

Skirt type

Solid

Ring groove quantity

5

Ring groove width

• Fifth ring: 0.2500 in (nominal)
• First ring: 0.1250 in (nominal)
• Fourth ring: 0.1875 in (nominal)
• Second ring: 0.1250 in (nominal)
• Third ring: 0.1250 in (nominal)

Ring groove diameter

• Fifth ring: 4.375 in (nominal)
• First ring: 4.625 in (nominal)
• Fourth ring: 4.500 in (nominal)
• Second ring: 4.625 in (nominal)
• Third ring: 4.625 in (nominal)

Distance from pin hole center to extreme top

4.000 in (nominal)

Distance between pin bosses

2.375 in (nominal)

Pin type for which designed

Floating

Material

Steel

Weight

128.0 oz

Other reference numbers listed under the same stock item

• NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC 5Y7053

These numbers are recorded under the same government stock item. That is not a statement that the parts replace each other or fit the same equipment: confirm with the manufacturer.

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

Moves in the cylinder and passes combustion force to the connecting rod. Replaced in a rebuild or after scoring, cracking or overheating. Check bore size, compression height and the engine rating.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.